10500309803 has 2 divisors, whose sum is σ = 10500309804. Its totient is φ = 10500309802.

The previous prime is 10500309791. The next prime is 10500309817. The reversal of 10500309803 is 30890300501.

10500309803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10500309803 - 2²² = 10496115499 is a prime.

It is a super-2 number, since 2×10500309803² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10500309823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250154901 + 5250154902.

It is an arithmetic number, because the mean of its divisors is an integer number (5250154902).

Almost surely, 2^10500309803 is an apocalyptic number.

10500309803 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500309803 is an equidigital number, since it uses as much as digits as its factorization.

10500309803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 10500309803 in words is "ten billion, five hundred million, three hundred nine thousand, eight hundred three".